DSNU440I csect-name IMAGE COPY INFORMATION
Explanation
This message gives statistical information about the results of running the COPY utility. The information applies to a table space, partition, or data set, and is based on the information in the space page map at the time the utility is executed.
- csect-name
- The name of the control section that issued the message.
This message contains the following information:
- DBNAME
- The name of the database to which the table space belongs.
- TSNAME
- The table space that is specified in the utility statement.
- DSNUM
- The partition or data set number of the table space. The value is ALL if information is about the entire table space.
- nnKB PAGES
- The total number of nnKB pages in the partition, data set, or entire table space. This value includes preformatted pages that contain all zeros.
- EMPTY PAGES
- The total number of empty pages in the data set of the segmented table space, or entire segmented table space. Empty pages can result from deletes, or are pages that are not yet formatted. They are not copied by the utility.
- CHANGED PAGES
- The number of pages in the partition, data set, or table space that were changed since the last time an image copy was created.
- PERCENT OF CHANGED PAGES
- The percent of changed pages in the table space, data set, or partition specified.
- ICTYPE
- The type of image copy recommended for the partition, data set,
or table space specified. ICTYPE is based on the comparison between
the percent of changed pages and the change limit values. ICTYPE values:
- I
- If the percent of changed pages is greater or equal to the low CHANGELIMIT value and less than the high CHANGELIMIT value. An incremental image copy is recommended, or COPY takes one if the REPORTONLY option is not specified.
- F
- If the percent of changed pages is equal to or greater than the high CHANGELIMIT value. A full image copy is recommended, and COPY takes one if the REPORTONLY option is not specified.
- NONE
- If no pages were changed. An image copy is not recommended, and COPY does not take one.
- blank
- For the partition or data set if DSNUM ALL is specified, or if CONCURRENT is specified and the percent of changed pages is less than the CHANGELIMIT value.
System action
Utility processing continues
User response
If the message indicates, INFORMATION CANNOT
BE DETERMINED
for a table space, partition, or data set, examine
the utility output for the DSNU441I message which lists the page numbers
of the broken pages. See message DSNU441I for further instructions
on repairing pages.
Severity
0 (informational)